BirdAnalyst
BBS Route · Colorado · BCR 16

Buffalo Park Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 93 species recorded across 31 survey years, still active.

93Species RecordedSpecies recordedDistinct species detected on standard-protocol BBS runs here across all years on record — a measure of survey breadth, not a complete checklist.Full methodology →
31Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1992–2023Span
3Observers

Bird Species Found on Colorado Buffalo Park

Top 40 of 93 species by most recent count. Each links to its species trend.

Species recorded on the Buffalo Park route.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →Baseline yearThe first year of the smoothed window the trend is measured from. An earlier baseline means a longer record stands behind the number.Full methodology →History
American RobinTurdidae1912023+215%1994
Ruby-crowned KingletRegulidae952023+171%1994
Hermit ThrushTurdidae772023+119%1994
Pine SiskinFringillidae722023+61%1994
Western TanagerCardinalidae51202313×1995
Mountain ChickadeeParidae422023+120%1994
White-crowned SparrowPasserellidae382023+158%1994
Lincoln's SparrowPasserellidae332023+230%1994
Red CrossbillFringillidae242023+79%1994
Green-tailed TowheePasserellidae222023+262%1994
Chipping SparrowPasserellidae202023+189%1994
Canada JayCorvidae142023+6%1994
Common RavenCorvidae142023+767%1994
Cassin's FinchFringillidae142023+94%1994
Northern House WrenTroglodytidae142023+417%1994
Black-billed MagpieCorvidae122023+667%1995
Broad-tailed HummingbirdTrochilidae112023+167%1994
Olive-sided FlycatcherTyrannidae102023-11%1994
Warbling VireoVireonidae92023+225%1995
Brewer's SparrowPasserellidae72023+7%1994
Townsend's SolitaireTurdidae72023+217%1995
Common NighthawkCaprimulgidae62023-41%1994
Vesper SparrowPasserellidae62023+13%1998
Mountain BluebirdTurdidae62023+175%1994
Spotted TowheePasserellidae62023+80%2010
American GoldfinchFringillidae62023+180%2015
Brewer's BlackbirdIcteridae62023n/an/a
Yellow WarblerParulidae52023+14%1999
Red-breasted NuthatchSittidae52023-66%1994
Song SparrowPasserellidae52023+160%1997
Steller's JayCorvidae52023+375%1997
Lark SparrowPasserellidae52023-20%2012
Western Wood-PeweeTyrannidae42023+64%1994
Wilson's WarblerParulidae42023+42%1995
Turkey VultureCathartidae42022+200%2010
Savannah SparrowPasserellidae42023-22%2009
Woodhouse's Scrub-JayCorvidae42023n/an/a
Wilson's SnipeScolopacidae32023+267%1994
Clark's NutcrackerCorvidae32023+267%1994
Brown-headed CowbirdIcteridae32023+17%1994

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.